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现行 ISO 25705:2016
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Fertilizers — Determination of urea condensates using high-performance liquid chromatography (HPLC) — Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B) 肥料 - 使用高效液相色谱(Hplc) - 异丁烯二脲和巴豆基二脲(方法A)和亚甲基脲脲(方法B)测定尿素冷凝物
发布日期: 2016-04-06
ISO 25705:2016规定了使用高效液相色谱法(HPLC)测定肥料中异丁烯二脲(IBDU)、巴豆烯二脲(CDU)(方法A)和亚甲基脲低聚物(MU)(方法B)的方法。 该方法适用于不含干扰有机化合物的所有肥料。
ISO 25705:2016 specifies methods for the determination of isobutylidene diurea (IBDU), Crotonylidene diurea (CDU) (method A) and methylene-urea oligomers (MU) (method B) in fertilizers using high-performance liquid chromatography (HPLC). The method is applicable to all fertilizers which do not contain interfering organic compounds.
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归口单位: ISO/TC 134
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